Not sure what you mean by that.

Does using $ev in place of $_ in the last line of this snippet (in the real code) make any difference?

        my $ev = $_; #### You set $ev = $_ here
        if ($sometimes) { # sometimes goes this path and sometimes the
+ else
            eval {
                dave('proc2', {}, 'arg1', 'arg2');
                1;
            } or $log->warn("failed $@");
        } else {
            $log->logwarn("test $_"); #### But then use $_ here
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---

Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.

"Science is about questioning the status quo. Questioning authority".

In the absence of evidence, opinion is indistinguishable from prejudice.

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Ok, I see. That was a mistake it is already $ev in the logwarn call in the original code - sorry.